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Corrosion Monitoring [40 CFR 146.90(c)]
Narrative description of corrosion monitoring methods that may describe sampling methods/locations or
testing frequency.
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Above Confining Zone Monitoring [40 CFR 146.90(d)]
Narrative description of planned water quality monitoring that may describe well locations; analytical
methods and parameters; sampling locations and methods, formations/depths, and frequencies. The
description may be accompanied by maps, monitoring well schematics, or tables of analytical parameters
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Notes:
External Mechanical Integrity Testing [40 CFR 146.90(e)]
Narrative (sometimes step-by-step) description of mechanical integrity tests (MITs) and their planned
frequency.
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Pressure Fall-Off Testing [40 CFR 146.90(f)]
Narrative (sometimes step-by-step) description of pressure fall-off tests and their planned frequency.
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2
Plume and Pressure Front Tracking [40 CFR 146.90(g)(1)]
Narrative description of planned direct methods to track the CO
2
plume and pressure front that may include
well locations; analytical methods and parameters; sampling locations and formations/depths; and
frequencies. The description may be accompanied by maps, monitoring well schematics, or tables of
analytical parameters and methods.
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Notes:
2
Plume and Pressure Front Tracking [40 CFR 146.90(g)(2)]
Narrative description of planned indirect methods to track the CO
2
plume and pressure front; it may
describe: well locations; monitoring equipment; or geophysical survey extent/resolution. The description may
be accompanied by maps, monitoring well or equipment schematics, or tables.
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* Surface Air Monitoring and/or Soil Gas Monitoring [40 CFR 146.90(h)]
This type of monitoring is not required for all projects; if it is included, it would be a narrative description of
planned methods detect CO
2
in the soil or atmosphere (including monitoring locations, equipment, and
frequencies) that may be accompanied by maps or illustrations.
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* Other Monitoring [40 CFR 146.90(i)]
Additional monitoring is not required for all projects; if it is included, it would be a narrative description of
the types of monitoring (e.g., seismic), including: methods, equipment, locations, and frequencies that may
be accompanied by maps, illustrations, or tables.
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Quality Assurance and Surveillance Plan [40 CFR 146.90(k)]
Narrative description of planned quality assurance procedures for all testing and monitoring activities.
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